Cosmological redshift of distant astronomical objects (E. Manousos)
Cosmological redshift of distant astronomical objects as a result of a fundamental principle of nature. Each atom emits or absorbs photons with strictly defined wavelengths. The detection of one of these wavelengths from the line spectrum, as it is called, is the signature of the atom which emits or absorbs the photons. The study of the line spectrum of astronomical…( 
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